CN108386980A - A kind of air-conditioning defrosting control method and device - Google Patents
A kind of air-conditioning defrosting control method and device Download PDFInfo
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- CN108386980A CN108386980A CN201810179435.5A CN201810179435A CN108386980A CN 108386980 A CN108386980 A CN 108386980A CN 201810179435 A CN201810179435 A CN 201810179435A CN 108386980 A CN108386980 A CN 108386980A
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- temperature
- defrost pattern
- air
- defrost
- air conditioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of air-conditioning defrosting control method and devices, are related to air conditioner technical field.The outdoor environment temperature and outdoor heat exchanger temperature that this method and device are acquired and transmitted by receiving a temperature collecting module, since outdoor heat exchanger temperature includes the first temperature and second temperature, so as to according to outdoor environment temperature, time difference at time point for receiving the time point of second temperature and receiving the first temperature determine defrost pattern, control air conditioner defrost according still further to defrost pattern；The thickness of frost layer on outer machine outdoor heat exchanger is determined by outdoor environment temperature, time difference, to use rational defrost mode according to the thickness of frost layer, eliminate the frost condensed on outdoor heat exchanger fin, both it economized on resources, it is also avoided that since indoor environment temperature caused by directly using the defrosting of four-way valve commutation method fluctuates larger problem, four-way valve commutating frequency is also reduced simultaneously, the failure rate of four-way valve is reduced, improves the experience sense of user.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of air-conditioning defrosting control method and device.
Background technology
In heating operation, outer machine condenser constantly absorbs heat daily air-conditioning, and the vapor in air can be in condenser fin
Upper condensation frosts, and when frost layer to certain thickness, can influence the heat transfer effect of outer machine, so heating operation can carry out one for a period of time
Secondary defrost.
Currently used defrost pattern is four-way valve commutating mode, and system switches to refrigeration cycle, inside the Pass outer wind turbine, compression
The high temperature refrigerant that machine ejects is directly entered condenser, by high temperature refrigerant that condenser frostization is clean, is come out from condenser
Low temperature refrigerant passes through indoor unit, though inner blower is closed, by radiant heat transfer, indoor environment temperature is made larger fluctuation occur,
Seriously affect the comfortable sexual experience of user.
Invention content
In view of this, the present invention is directed to propose a kind of air-conditioning defrosting control method and device, to solve the above problems.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
In a first aspect, an embodiment of the present invention provides a kind of air-conditioning defrosting control method, the air-conditioning defrosting control method
Including：
Receive outdoor environment temperature and outdoor heat exchanger temperature that a temperature collecting module is acquired and transmitted, wherein institute
It includes the first temperature and second temperature to state outdoor heat exchanger temperature, and first temperature is more than the second temperature；
Determine the time difference for receiving the time point of the second temperature and receiving the time point of first temperature；
Defrost pattern is determined according to the outdoor environment temperature, the time difference；
The air conditioner defrost is controlled according to the defrost pattern.
Further, described the step of determining defrost pattern according to the outdoor environment temperature, the time difference, includes：
When the outdoor environment temperature is less than presetting temperature value, determine that the defrost pattern is heating cycle defrost
Pattern；
When the outdoor environment temperature is more than or equal to presetting temperature value and the time difference is more than or equal to default
When the time, determine that the defrost pattern is heating cycle defrost pattern；
When the outdoor environment temperature is greater than or equal to presetting temperature value and the time difference is less than described default
Between when, determine the defrost pattern be refrigeration cycle defrost pattern.
Further, it is applied to an air conditioner, the air conditioner includes inner blower, the auxiliary heat of electricity, four-way valve and outer wind turbine,
It is described according to the defrost pattern control the air conditioner defrost the step of include：
Defrost pattern is recycled according to the heating and keeps the direction of the four-way valve constant, and controls the inner blower fortune
Row runs in most low wind file, the auxiliary heat of the control electricity, it is out of service to control the outer wind turbine.
Further, it is applied to an air conditioner, the air conditioner includes inner blower, four-way valve and outer wind turbine, described to press
Include according to the step of defrost pattern control air conditioner defrost：
Change the direction of the four-way valve according to the refrigeration cycle defrost pattern, and controls the inner blower, exogenous wind
Machine is out of service.
Further, the air conditioner further includes throttling set, described to control the air conditioner according to the defrost pattern
The step of defrost includes：
The opening degree of the throttling set is adjusted to presetting opening degree according to the defrost pattern.
Second aspect, the embodiment of the present invention additionally provide a kind of air-conditioning defrosting control device, the air-conditioning defrosting control dress
Set including：
Signal receiving unit, for receiving, a temperature collecting module acquires and the outdoor environment temperature transmitted and outdoor are changed
Hot device temperature, wherein the outdoor heat exchanger temperature includes the first temperature and second temperature, and first temperature is more than described
Second temperature；
Time difference determination unit for the determining time point for receiving the second temperature and receives first temperature
Time point time difference；
Defrost pattern determination unit, for determining defrost pattern according to the outdoor environment temperature, the time difference；
Control unit, for controlling the air conditioner defrost according to the defrost pattern.
Further, the defrost pattern determination unit is used to be less than presetting temperature value when the outdoor environment temperature
When, determine that the defrost pattern is heating cycle defrost pattern；
The defrost pattern determination unit is additionally operable to be greater than or equal to presetting temperature value when the outdoor environment temperature
And the time difference be greater than or equal to preset time when, determine the defrost pattern be heating cycle defrost pattern；
The defrost pattern determination unit is additionally operable to be greater than or equal to presetting temperature value when the outdoor environment temperature
And the time difference be less than the preset time when, determine the defrost pattern be refrigeration cycle defrost pattern.
Further, it is applied to an air conditioner, the air conditioner includes inner blower, the auxiliary heat of electricity, four-way valve and outer wind turbine,
Described control unit is used to recycle defrost pattern according to the heating and keep the direction of the four-way valve constant, and described in control
Inner blower runs on that the auxiliary heat of most low wind file, the control electricity is run, to control the outer wind turbine out of service.
Further, it is applied to an air conditioner, the air conditioner includes inner blower, four-way valve and outer wind turbine, the control
Unit processed is used to change the direction of the four-way valve according to the refrigeration cycle defrost pattern, and controls the inner blower, outer
Wind turbine is out of service.
Further, the air conditioner further includes throttling set, and described control unit is additionally operable to according to the defrost pattern
The opening degree of the throttling set is adjusted to presetting opening degree.
Compared with the existing technology, a kind of air-conditioning defrosting control method and device of the present invention have the advantage that：
The outdoor environment temperature and outdoor heat exchanger temperature for acquiring and transmitting by receiving a temperature collecting module, due to
Outdoor heat exchanger temperature includes the first temperature and second temperature, so as to foundation outdoor environment temperature, receives second temperature
Time point and receive time difference at time point of first temperature and determine defrost pattern, control air-conditioning according still further to defrost pattern
Device defrost；The thickness that frost layer on outer machine outdoor heat exchanger is determined by outdoor environment temperature, time difference, to the thickness according to frost layer
Degree uses rational defrost mode, eliminates the frost condensed on outdoor heat exchanger fin, both economized on resources, moreover it is possible to avoid due to direct
Indoor environment temperature fluctuates larger problem caused by being defrosted using four-way valve commutation method, while also reducing four-way valve commutation
Frequency reduces the failure rate of four-way valve, improves the experience sense of user.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is that the circuit of the air conditioner described in the embodiment of the present invention connects block diagram.
Fig. 2 is the functional block diagram of the air conditioner described in the embodiment of the present invention.
Fig. 3 is the flow chart of the air-conditioning defrosting control method described in the embodiment of the present invention.
Fig. 4 is the particular flow sheet of step S303 in Fig. 3.
Fig. 5 is the functional block diagram of the air-conditioning defrosting control device described in the embodiment of the present invention.
Icon：100- air conditioners；1- controllers；2- temperature collecting modules；3- indoor heat exchangers；The auxiliary heat of 4- electricity；Wind in 5-
Machine；6- outdoor heat exchangers；The outer wind turbines of 7-；8- throttling sets；9- compressors；10- four-way valves；200- air-conditioning defrosting control devices；
210- signal receiving units；220- time difference determination units；230- defrost pattern determination units；240- control units.
Specific implementation mode
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of air conditioners 100, for adjusting indoor temperature.It please refers to Fig.1 and Fig. 2, the air conditioner
100 include controller 1, temperature collecting module 2, indoor heat exchanger 3, electricity auxiliary hot 4, inner blower 5, four-way valve 10, outdoor heat exchanger
6, outer wind turbine 7, throttling set 8 and compressor 9.Wherein, controller 1 respectively with indoor heat exchanger 3, electricity is auxiliary hot 4, inner blower 5,
Outdoor heat exchanger 6, outer wind turbine 7, throttling set 8 and compressor 9 are electrically connected, indoor heat exchanger 3, four-way valve 10, compressor 9,
Four-way valve 10, outdoor heat exchanger 6 and throttling set 8 are sequentially communicated and are formed closed circuit, electricity auxiliary hot 4 and inner blower 5 and room
Interior heat exchanger 3 connects, and outer wind turbine 7 is connect with outdoor heat exchanger 6.
It is to be appreciated that when air conditioner 100 needs heating, compressor 9 is high by the gas of refrigerant boil down to high temperature and pressure
After the gas of warm high pressure gets in heat exchanger 3, at the same time condensation liquefaction heat release adds room air to become liquid
Heat, to achieve the purpose that improve indoor temperature.And liquid coolant, into outdoor heat exchanger 6, steams after the decompression of throttling set 8
Hair vaporization heat absorption becomes gas, and the refrigerant for becoming gas is again introduced into compressor 9 and carries out next heating and recycles.Work as air conditioner
100 be in heating mode when, indoor heat exchanger 3 serves as condenser, and outdoor heat exchanger 6 serves as evaporator.
When air conditioner 100 needs refrigeration, controller 1 sends out commutation instruction to change the direction of four-way valve 10, compresses
Machine 9 is by the gas of refrigerant boil down to high temperature and pressure, after the gas of high temperature and pressure enters outdoor heat exchanger 6, condensation liquefaction heat release, from
And become liquid, at the same time outdoor air is heated, and liquid coolant through throttling set 8 decompression after, into outdoor heat exchanger
6, carburation by evaporation heat absorption becomes gas, since evaporation endothermic becomes the refrigerant of gas to achieve the purpose that reduce indoor temperature
It is again introduced into compressor 9 and carries out next refrigeration cycle.I.e. when air conditioner 100 is in refrigeration mode, indoor heat exchanger 3 serves as
Evaporator, outdoor heat exchanger 6 serve as condenser.
Inner blower 5 is used in air-conditioning heating, inhales cold heat dissipation；For cold scattering of in air conditioner refrigerating, absorbing heat.Outer wind turbine 7 is used
In in refrigeration, cold heat dissipation is inhaled；For cold scattering of in air-conditioning heating, absorbing heat.
Electricity auxiliary hot 4 is used for auxiliary heating, the calorific value of regulating air-conditioning device 100；And ensure in the case of intemperance
The heat-production functions of air conditioner 100 can be played normally.In addition, electricity auxiliary hot 4 is additionally operable in 100 defrost of air conditioner, remain indoor
Temperature do not decline, promoted the comfortable sexual experience of user.
Temperature collecting module 2 and 1 Electricity Federation of controller, for acquiring outdoor environment temperature and outdoor heat exchanger temperature, and
Outdoor environment temperature and outdoor heat exchanger temperature are transmitted to controller 1.In a kind of preferred embodiment, temperature acquisition mould
Block 2 includes two temperature sensors, and two temperature sensors are electrically connected with controller 1, is respectively used to acquisition outdoor environment temperature
Degree and outdoor heat exchanger temperature.
First embodiment
An embodiment of the present invention provides a kind of air-conditioning defrosting control methods, are applied to air conditioner 100, for melting condensation
In the case of the frost on 6 fin of outdoor heat exchanger, indoor temperature is not affected greatly also, ensure the comfort of user.
Referring to Fig. 3, for the flow chart of air-conditioning defrosting control method provided in an embodiment of the present invention.The air-conditioning defrosting control method packet
It includes：
Step S301：Receive outdoor environment temperature and outdoor heat exchanger temperature that a temperature collecting module 2 is acquired and transmitted
Degree.
It should be noted that temperature collecting module 2 acquires outdoor environment temperature and outdoor heat exchanger temperature in real time.Its
In, real-time collected outdoor heat exchanger temperature includes the first temperature and second temperature, wherein the first temperature is t1 time temperature
2 collected outdoor heat exchanger temperature of acquisition module is spent, second temperature is that 2 collected outdoor of t2 time-temperatures acquisition module is changed
Hot device temperature.
Normally, due to the fin frosting of outdoor heat exchanger 6, outdoor heat exchanger temperature should be lower and lower, thus first
Temperature is more than second temperature.
Step S302：Determine the time difference for receiving the time point of second temperature and receiving the time point of the first temperature.
Determine that the time difference at the time point for receiving second temperature and the time point for receiving the first temperature determines outdoor
Heat exchange temperature is from the first temperature damping to second temperature the time it takes, it can be seen that the decaying speed of outdoor heat exchanger temperature
Degree, so as to the thickness of 6 frosting of auxiliary judgment outdoor heat exchanger.
Step S303：Defrost pattern is determined according to outdoor environment temperature, time difference.
It should be noted that including two kinds of defrost patterns altogether in the present embodiment：Respectively heating cycle defrost pattern
And refrigeration cycle defrost pattern.Specifically, as the fin knot Bao Shuanshi of outdoor heat exchanger 6, defrost pattern is recycled using heating
Defrost；When the thick frost of the fin knot of outdoor heat exchanger 6, using refrigeration cycle defrost pattern defrost.
Referring to Fig. 4, for the particular flow sheet of step S303.Step S303 includes：
Sub-step S3031：Judge whether outdoor environment temperature is less than presetting temperature value, if so, executing sub-step
S3032；If not, executing sub-step S3033.
By judging whether outdoor environment temperature is less than presetting temperature value, 6 knot of outdoor heat exchanger can be primarily determined
The thickness of frost.
It should be noted that in a kind of preferred embodiment, presetting temperature value is -5 DEG C.
Sub-step S3032：Determine that defrost pattern is heating cycle defrost pattern.
Normally, when outdoor environment temperature is less than presetting temperature value, i.e., at -5 DEG C, outdoor environment humidity will not be too
Height, thus due to the frost layer on outdoor heat exchanger 6 since humidity is inadequate, frost layer will not be too thick, thus followed at this time using heating
Ring defrost pattern can melt Bao Shuan.
Sub-step S3033：Judge whether the time difference is greater than or equal to preset time, if so, executing sub-step S3032；
If not, executing sub-step S3034.
When outdoor environment temperature is greater than or equal to presetting temperature value, then need further by whether judging the time difference
More than or equal to preset time, that is, the rate of decay of outdoor heat exchanger temperature is judged to determine the thickness of the frost layer on outdoor heat exchanger 6
Degree.
Specifically, when the time difference being greater than or equal to preset time, show that the rate of decay of outdoor heat exchanger temperature is slower,
It, can be true thus when outdoor environment temperature is greater than or equal to presetting temperature value and the time difference is greater than or equal to preset time
The frost layer determined on outdoor heat exchanger 6 is relatively thin, at this time using heating cycle defrost pattern.
Sub-step S3034：Determine that defrost pattern is refrigeration cycle defrost pattern.
When the time difference being less than preset time, show that the rate of decay of outdoor heat exchanger temperature is very fast, thus when outdoor ring
When border temperature is greater than or equal to presetting temperature value and time difference and is less than preset time, it may be determined that on outdoor heat exchanger 6
Frost layer is thicker, uses refrigeration cycle defrost pattern at this time.
Step S304：100 defrost of air conditioner is controlled according to defrost pattern.
It should be noted that when air conditioner 100 is in different defrost patterns, there is different operating statuses.
The first：
Controller 1 keeps the direction of four-way valve 10 constant according to heating cycle defrost pattern, and controls the operation of inner blower 5
It is out of service in most low wind file, auxiliary hot 4 operation of control electricity, the outer wind turbine 7 of control.
It is due to the fin frosting of outdoor heat exchanger 6：When air conditioner 100 is in heating state, outdoor heat exchanger 6
Constantly heat absorption, frosts to make the vapor in air be condensed on the fin of outdoor heat exchanger 6.To by keeping four-way valve
10 direction is constant, and air conditioner 100 may make to keep constant in heating state.
By the way that inner blower 5 is adjusted to most low wind file, it can be ensured that still there is heat to export to interior, ensure indoor temperature
While, it is ensured that the decaying of refrigerant temperature reduces.
Indoor heat can be further increased by controlling auxiliary hot 4 operation of electricity, ensures indoor temperature.
It is out of service by controlling outer wind turbine 7, the heat exchange of refrigerant and outside air can be reduced, so that it is guaranteed that refrigerant carried
Heat can be used to eliminate the frost on outdoor heat exchanger 6.
It is to be appreciated that when the frost layer of outdoor heat exchanger 6 is relatively thin, by reducing the decaying of refrigerant temperature, and utilize cold
The heat that matchmaker carries eliminates frost layer, not only may insure that indoor temperature is stablized, larger fluctuation does not occur, it is comfortable to promote user
Sexual experience, moreover it is possible to avoid in the prior art, changing caused by frost the commutation of four-way valve 10 using four-way valve 10 frequency being higher and ask
Topic, reduces the failure rate of four-way valve 10；Moreover it is possible to avoid since because of the defrost that commutates, low temperature refrigerant flows through indoor heat exchanger 3
When, it expands with heat and contract with cold caused abnormal sound to 3 plastic part of indoor heat exchanger.
Second：
Controller 1 changes the direction of four-way valve 10 according to refrigeration cycle defrost pattern, and controls inner blower 5, outer wind turbine 7
It is out of service.
By the direction for changing four-way valve 10 so that air conditioner 100 is in refrigerating state.
Due to entering refrigeration cycle, flowing into the refrigerant temperature of indoor heat exchanger 3 reduces, thus is stopped by controlling inner blower 5
It only runs, the fall of indoor temperature can be reduced.
It is out of service by controlling outer wind turbine 7, the heat exchange of refrigerant and outside air can be reduced, so that it is guaranteed that refrigerant carried
Heat can be used to eliminate the frost on outdoor heat exchanger 6.
In a kind of preferred embodiment, the opening degree of throttling set 8 can be also adjusted to by controller 1 according to defrost pattern
Presetting opening degree.
By the way that the opening degree of throttling set 8 is adjusted to presetting opening degree, it can be ensured that the refrigerant temperature after throttling is not
Can be too low, it flows into indoor heat exchanger 3 and reduces with indoor environment heat exchange amount, reduce indoor temperature fall.
It should be noted that presetting opening degree includes the first default opening degree and the second default opening degree, air-conditioning
When device 100 is in heating cycle defrost pattern, presetting opening degree is the first default opening degree, and air conditioner 100 is in refrigeration
Defrost pattern is recycled, presetting opening degree is the second default opening degree.
Second embodiment
Referring to Fig. 5, Fig. 5 is a kind of function mould for air-conditioning defrosting control device 200 that present pre-ferred embodiments provide
Block diagram.It should be noted that the air-conditioning defrosting control device 200 that the present embodiment is provided, is applied to air conditioner 100, it is basic
Principle and the technique effect of generation are identical with above-described embodiment, and to briefly describe, the present embodiment part does not refer to place, can refer to
Corresponding contents in the above embodiments.Air-conditioning defrosting control device 200 provided in an embodiment of the present invention includes：Signal receiving unit
210, time difference determination unit 220, defrost pattern determination unit 230 and control unit 240.
Wherein, signal receiving unit 210 be used to receive a temperature collecting module 2 acquisition and the outdoor environment temperature that transmits with
And outdoor heat exchanger temperature.
It is to be appreciated that in a kind of preferred embodiment, signal receiving unit 210 can be used for executing step S301.
Time difference determination unit 220 is used to determine and receives the time point of second temperature and receive the time of the first temperature
The time difference of point.
It is to be appreciated that in a kind of preferred embodiment, time difference determination unit 220 can be used for executing step S302.
Defrost pattern determination unit 230 is used to determine defrost pattern according to outdoor environment temperature, time difference.
Specifically, defrost pattern determination unit 230 is for judging whether outdoor environment temperature is less than presetting temperature value
And judge the time difference whether be greater than or equal to preset time, and when outdoor environment temperature be less than presetting temperature value when,
Determine that defrost pattern is heating cycle defrost pattern；And when outdoor environment temperature be greater than or equal to presetting temperature value and when
Between difference be greater than or equal to preset time when, determine defrost pattern be heating cycle defrost pattern；And when outdoor environment temperature it is big
When presetting temperature value and time difference are less than preset time, determine that defrost pattern is refrigeration cycle defrost pattern.
It is to be appreciated that in a kind of preferred embodiment, defrost pattern determination unit 230 can be used for executing step
S303, sub-step S3031, sub-step S3032, sub-step S3033 and sub-step S3034.
Control unit 240 is used to control 100 defrost of air conditioner according to defrost pattern.
Specifically, control unit 240 is used to keep the direction of four-way valve 10 constant according to heating cycle defrost pattern, and
Control inner blower 5 runs on most low wind file, control electric auxiliary hot 4 is run, the outer wind turbine 7 of control is out of service；For being followed according to refrigeration
Ring defrost pattern and the direction for changing four-way valve 10, and it is out of service to control inner blower 5, outer wind turbine 7；And for according to defrost
The opening degree of throttling set 8 is adjusted to presetting opening degree by pattern.
It is to be appreciated that in a kind of preferred embodiment, control unit 240 can be used for executing step S304.
In conclusion air-conditioning defrosting control method provided in an embodiment of the present invention and device, by receiving a temperature acquisition
The outdoor environment temperature and outdoor heat exchanger temperature that module is acquired and transmitted, since outdoor heat exchanger temperature includes the first temperature
And second temperature, so as to foundation outdoor environment temperature, receives the time point of second temperature and receive the first temperature
The time difference at time point determines defrost pattern, and air conditioner defrost is controlled according still further to defrost pattern；By outdoor environment temperature, when
Between difference determine the thickness of frost layer on outer machine outdoor heat exchanger, to, using rational defrost mode, be eliminated according to the thickness of frost layer
The frost condensed on outdoor heat exchanger fin, both economized on resources, moreover it is possible to avoid due to directly using the defrosting of four-way valve commutation method to lead
The indoor environment temperature of cause fluctuates larger problem, while also reducing four-way valve commutating frequency, reduces the failure of four-way valve
Rate improves the experience sense of user.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of air-conditioning defrosting control method, which is characterized in that the air-conditioning defrosting control method includes：
Receive outdoor environment temperature and outdoor heat exchanger temperature that a temperature collecting module is acquired and transmitted, wherein the room
External heat exchanger temperature includes the first temperature and second temperature, and first temperature is more than the second temperature；
Determine the time difference for receiving the time point of the second temperature and receiving the time point of first temperature；
Defrost pattern is determined according to the outdoor environment temperature, the time difference；
The air conditioner defrost is controlled according to the defrost pattern.
2. air-conditioning defrosting control method according to claim 1, which is characterized in that described according to the outdoor environment temperature
Degree, the step of determining defrost pattern time difference include：
When the outdoor environment temperature is less than presetting temperature value, determine that the defrost pattern is heating cycle defrost mould
Formula；
When the outdoor environment temperature is more than or equal to presetting temperature value and the time difference is more than or equal to preset time
When, determine that the defrost pattern is heating cycle defrost pattern；
When the outdoor environment temperature is greater than or equal to presetting temperature value and the time difference is less than the preset time,
Determine that the defrost pattern is refrigeration cycle defrost pattern.
3. air-conditioning defrosting control method according to claim 2, which is characterized in that be applied to an air conditioner, the air-conditioning
Device includes inner blower, the auxiliary heat of electricity, four-way valve and outer wind turbine, described to control the air conditioner defrost according to the defrost pattern
Step includes：
Defrost pattern is recycled according to the heating and keeps the direction of the four-way valve constant, and is controlled the inner blower and run on
The auxiliary heat of most low wind file, the control electricity runs, it is out of service to control the outer wind turbine.
4. air-conditioning defrosting control method according to claim 2, which is characterized in that be applied to an air conditioner, the air-conditioning
Device includes inner blower, four-way valve and outer wind turbine, and described the step of controlling the air conditioner defrost according to the defrost pattern wraps
It includes：
Change the direction of the four-way valve according to the refrigeration cycle defrost pattern, and control the inner blower, outer wind turbine stops
Only run.
5. air-conditioning defrosting control method according to claim 3 or 4, which is characterized in that the air conditioner further includes throttling
Device, it is described according to the defrost pattern control the air conditioner defrost the step of include：
The opening degree of the throttling set is adjusted to presetting opening degree according to the defrost pattern.
6. a kind of air-conditioning defrosting control device, which is characterized in that the air-conditioning defrosting control device includes：
Signal receiving unit, the outdoor environment temperature and outdoor heat exchanger for acquiring and transmitting for receiving a temperature collecting module
Temperature, wherein the outdoor heat exchanger temperature includes the first temperature and second temperature, and first temperature is more than described second
Temperature；
Time difference determination unit, for determine receive the second temperature time point and receive first temperature when
Between time difference for putting；
Defrost pattern determination unit, for determining defrost pattern according to the outdoor environment temperature, the time difference；
Control unit, for controlling the air conditioner defrost according to the defrost pattern.
7. air-conditioning defrosting control device according to claim 6, which is characterized in that the defrost pattern determination unit is used for
When the outdoor environment temperature is less than presetting temperature value, determine that the defrost pattern is heating cycle defrost pattern；
The defrost pattern determination unit is additionally operable to be greater than or equal to presetting temperature value and institute when the outdoor environment temperature
When stating the time difference more than or equal to preset time, determine that the defrost pattern is heating cycle defrost pattern；
The defrost pattern determination unit is additionally operable to be greater than or equal to presetting temperature value and institute when the outdoor environment temperature
When stating the time difference less than the preset time, determine that the defrost pattern is refrigeration cycle defrost pattern.
8. air-conditioning defrosting control device according to claim 7, which is characterized in that be applied to an air conditioner, the air-conditioning
Device includes that inner blower, the auxiliary heat of electricity, four-way valve and outer wind turbine, described control unit are used to recycle defrost pattern according to the heating
And keep the direction of the four-way valve constant, and control the inner blower run on the auxiliary heat of most low wind file, the control electricity run,
It is out of service to control the outer wind turbine.
9. air-conditioning defrosting control device according to claim 7, which is characterized in that be applied to an air conditioner, the air-conditioning
Device includes inner blower, four-way valve and outer wind turbine, and described control unit according to the refrigeration cycle defrost pattern for changing
The direction of the four-way valve, and it is out of service to control the inner blower, outer wind turbine.
10. air-conditioning defrosting control device according to claim 8 or claim 9, which is characterized in that the air conditioner further includes throttling
Device, described control unit are additionally operable to the opening degree of the throttling set is adjusted to presetting according to the defrost pattern to open
It is right.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109237727A (en) * | 2018-08-28 | 2019-01-18 | 青岛海尔空调电子有限公司 | defrosting control method for air conditioner |
| CN109442792A (en) * | 2018-11-06 | 2019-03-08 | 奥克斯空调股份有限公司 | A kind of air conditioner except defrosting system and defrosting control method and air conditioner |
| CN110173825A (en) * | 2019-05-31 | 2019-08-27 | 广东美的制冷设备有限公司 | Progress control method, control device, air conditioner and computer readable storage medium |
| CN110207315A (en) * | 2019-06-06 | 2019-09-06 | 珠海格力电器股份有限公司 | Defrosting method for air conditioner outdoor unit and air conditioner system |
| CN110260493A (en) * | 2019-07-03 | 2019-09-20 | 芜湖美智空调设备有限公司 | Progress control method and control device, air conditioner and computer readable storage medium |
| CN110360708A (en) * | 2019-06-06 | 2019-10-22 | 青岛海尔空调电子有限公司 | A kind of method, apparatus and air-conditioner outdoor unit for realizing defrosting |
| CN110715401A (en) * | 2019-08-29 | 2020-01-21 | 珠海格力电器股份有限公司 | Defrosting control method and device for air conditioning equipment, medium and air conditioning equipment |
| CN110953715A (en) * | 2019-12-25 | 2020-04-03 | 青岛海尔新能源电器有限公司 | Dynamic descaling control method for heat pump hot water unit |
| CN111043712A (en) * | 2019-12-06 | 2020-04-21 | 珠海格力电器股份有限公司 | Defrosting control method and system for heating mode of air conditioner and air conditioner |
| CN112628941A (en) * | 2020-12-11 | 2021-04-09 | 珠海格力电器股份有限公司 | Air conditioner defrosting control method and device, storage medium and air conditioner |
| CN113865009A (en) * | 2021-09-15 | 2021-12-31 | 珠海格力电器股份有限公司 | Defrosting method and system, air conditioner, storage medium and electronic equipment |
| CN114688682A (en) * | 2020-12-28 | 2022-07-01 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
| CN114688706A (en) * | 2020-12-28 | 2022-07-01 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
| CN115638509A (en) * | 2022-11-09 | 2023-01-24 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
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| CN109237727A (en) * | 2018-08-28 | 2019-01-18 | 青岛海尔空调电子有限公司 | defrosting control method for air conditioner |
| CN109442792A (en) * | 2018-11-06 | 2019-03-08 | 奥克斯空调股份有限公司 | A kind of air conditioner except defrosting system and defrosting control method and air conditioner |
| CN110173825A (en) * | 2019-05-31 | 2019-08-27 | 广东美的制冷设备有限公司 | Progress control method, control device, air conditioner and computer readable storage medium |
| CN110207315A (en) * | 2019-06-06 | 2019-09-06 | 珠海格力电器股份有限公司 | Defrosting method for air conditioner outdoor unit and air conditioner system |
| CN110360708A (en) * | 2019-06-06 | 2019-10-22 | 青岛海尔空调电子有限公司 | A kind of method, apparatus and air-conditioner outdoor unit for realizing defrosting |
| CN110260493A (en) * | 2019-07-03 | 2019-09-20 | 芜湖美智空调设备有限公司 | Progress control method and control device, air conditioner and computer readable storage medium |
| CN110715401A (en) * | 2019-08-29 | 2020-01-21 | 珠海格力电器股份有限公司 | Defrosting control method and device for air conditioning equipment, medium and air conditioning equipment |
| CN111043712A (en) * | 2019-12-06 | 2020-04-21 | 珠海格力电器股份有限公司 | Defrosting control method and system for heating mode of air conditioner and air conditioner |
| CN110953715A (en) * | 2019-12-25 | 2020-04-03 | 青岛海尔新能源电器有限公司 | Dynamic descaling control method for heat pump hot water unit |
| CN110953715B (en) * | 2019-12-25 | 2022-04-22 | 青岛海尔新能源电器有限公司 | Dynamic descaling control method for heat pump hot water unit |
| CN112628941A (en) * | 2020-12-11 | 2021-04-09 | 珠海格力电器股份有限公司 | Air conditioner defrosting control method and device, storage medium and air conditioner |
| CN112628941B (en) * | 2020-12-11 | 2022-02-18 | 珠海格力电器股份有限公司 | Air conditioner defrosting control method and device, storage medium and air conditioner |
| CN114688682A (en) * | 2020-12-28 | 2022-07-01 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
| CN114688706A (en) * | 2020-12-28 | 2022-07-01 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
| CN114688682B (en) * | 2020-12-28 | 2024-07-23 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
| CN114688706B (en) * | 2020-12-28 | 2024-07-23 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
| CN113865009A (en) * | 2021-09-15 | 2021-12-31 | 珠海格力电器股份有限公司 | Defrosting method and system, air conditioner, storage medium and electronic equipment |
| CN115638509A (en) * | 2022-11-09 | 2023-01-24 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
| CN115638509B (en) * | 2022-11-09 | 2024-06-11 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
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